X0306 4 2016-12-08 0000203527 VARIAN MEDICAL SYSTEMS INC VAR 0001330270 KUO JOHN W C/O VARIAN MEDICAL SYSTEMS, INC. 3100 HANSEN WAY M/S E-327 PALO ALTO CA 94304 1 SVP, Gen Counsel and Secretary Common Stock 2016-12-08 4 S 0 1267 90.332 D 24027 D This transaction is pursuant to the filer's SEC Rule10b5-1 Stock Plan The 1,267 shares were sold in multiple transactions executed on the same day at prices ranging from $90.08 to $90.62. The detailed breakdown of executed sales will be furnished upon request. /s/ Franco N. Palomba, Attorney in Fact for John W. Kuo 2016-12-08